Philip Nastu (born March 8, 1955) is a former pitcher in Major League Baseball who played from 1978 through 1980 for the San Francisco Giants. Born in Bridgeport, Connecticut, Nastu attended Bassick High School and the University of Bridgeport before being signed by the Giants as free agent in 1976. Nastu began his professional pitching career in 1977 with the Cedar Rapids Giants of the Midwest League and the Waterbury Giants of the Eastern League. The next season, he was promoted to the AAA Phoenix Giants of the Pacific Coast League.